Home / 130,386,428,999.20-195,579,643,498.80-130,386,428,999.20

Finding the Fourth Proportional to 130,386,428,999.20, 195,579,643,498.80 and 130,386,428,999.20

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Solution

The fourth proportional to 130,386,428,999.20, 195,579,643,498.80 and 130,386,428,999.20 is: 195,579,643,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,386,428,999.20 : 195,579,643,498.80 = 130,386,428,999.20 : x
  2. Step 2: Convert to fraction form
    130,386,428,999.20/195,579,643,498.80 = 130,386,428,999.20/x
  3. Step 3: Cross multiply
    130,386,428,999.20x = 195,579,643,498.80 × 130,386,428,999.20
  4. Step 4: Simplify right side
    130,386,428,999.20x = 25,500,931,300,745,130,541,056
  5. Step 5: Solve for x
    x = 25,500,931,300,745,130,541,056/130,386,428,999.20
  6. Step 6: Final answer
    x = 195,579,643,498.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.